This is a NEW Center Support Bearing for 1994-2003 Chevrolet S10, and GMC Sonoma Pickups and some dodges which have two piece Drive Shafts that use a 1 3/8" Bearing Stub Diameter. This is the Square O.E. Style that is no longer available from the dealer.(U-shaped bearings that most parts stores carry)are not correct for these applications even thou they will fit. This Center Bearing comes with a 90 day Warranty, provided the Center bearing was installed properly. Warranty valid under normal use only (racing, engine modification, suspension alteration ect.) will void warranty.